3roll

Definition of ROLL

: a rolling movement or an action or process involving such movement <a roll of the dice><an airplane's takeoff roll>: as

a: a swaying movement of the body

b: a side-to-side movement (as of a ship or train)

c (1): a flight maneuver in which a complete revolution about the longitudinal axis of an airplane is made with the horizontal direction of flight being approximately maintained (2): the motion of an aircraft or spacecraft about its longitudinal axis

d: a somersault executed in contact with the ground

— on a roll

: in the midst of a series of successes : on a hot streak —sometimes used with a modifier <has been on a brilliant roll>